Class: S3DirectUpload::UploadHelper::S3Uploader
- Inherits:
-
Object
- Object
- S3DirectUpload::UploadHelper::S3Uploader
- Defined in:
- lib/s3_direct_upload/form_helper.rb
Instance Method Summary collapse
- #fields ⇒ Object
- #form_options ⇒ Object
-
#initialize(options) ⇒ S3Uploader
constructor
A new instance of S3Uploader.
- #key ⇒ Object
- #policy ⇒ Object
- #policy_data ⇒ Object
- #signature ⇒ Object
- #url ⇒ Object
Constructor Details
#initialize(options) ⇒ S3Uploader
Returns a new instance of S3Uploader.
13 14 15 16 17 18 19 20 21 22 23 24 |
# File 'lib/s3_direct_upload/form_helper.rb', line 13 def initialize() @options = .reverse_merge( id: "fileupload", aws_access_key_id: S3DirectUpload.config.access_key_id, aws_secret_access_key: S3DirectUpload.config.secret_access_key, bucket: S3DirectUpload.config.bucket, acl: "public-read", expiration: 10.hours.from_now, max_file_size: 500.megabytes, as: "file" ) end |
Instance Method Details
#fields ⇒ Object
39 40 41 42 43 44 45 46 47 |
# File 'lib/s3_direct_upload/form_helper.rb', line 39 def fields { :key => key, :acl => @options[:acl], :policy => policy, :signature => signature, "AWSAccessKeyId" => @options[:aws_access_key_id], } end |
#form_options ⇒ Object
26 27 28 29 30 31 32 33 34 35 36 37 |
# File 'lib/s3_direct_upload/form_helper.rb', line 26 def { id: @options[:id], method: "post", authenticity_token: false, multipart: true, data: { post: @options[:post], as: @options[:as] } } end |
#key ⇒ Object
49 50 51 |
# File 'lib/s3_direct_upload/form_helper.rb', line 49 def key @key ||= "uploads/#{SecureRandom.hex}/${filename}" end |
#policy ⇒ Object
57 58 59 |
# File 'lib/s3_direct_upload/form_helper.rb', line 57 def policy Base64.encode64(policy_data.to_json).gsub("\n", "") end |
#policy_data ⇒ Object
61 62 63 64 65 66 67 68 69 70 71 72 |
# File 'lib/s3_direct_upload/form_helper.rb', line 61 def policy_data { expiration: @options[:expiration], conditions: [ ["starts-with", "$utf8", ""], ["starts-with", "$key", ""], ["content-length-range", 0, @options[:max_file_size]], {bucket: @options[:bucket]}, {acl: @options[:acl]} ] } end |
#signature ⇒ Object
74 75 76 77 78 79 80 81 |
# File 'lib/s3_direct_upload/form_helper.rb', line 74 def signature Base64.encode64( OpenSSL::HMAC.digest( OpenSSL::Digest::Digest.new('sha1'), @options[:aws_secret_access_key], policy ) ).gsub("\n", "") end |
#url ⇒ Object
53 54 55 |
# File 'lib/s3_direct_upload/form_helper.rb', line 53 def url "https://#{@options[:bucket]}.s3.amazonaws.com/" end |